20cm Resolution Orthophotographs of Québec's National Capital Region 2023

National Capital Region orthophotographs provide 20 cm spatial resolution imagery in natural color, captured in spring 2023. The mosaics cover the MRC Portneuf and part of the MRC de La Jacques-Cartier, available in JPEG 2000 and GeoTIFF formats.

Use Cases

• Generate high-resolution land cover maps using the 20 cm spatial resolution natural color imagery.
• Conduct change detection analysis by comparing these 2023 orthophotographs with imagery from other years.
• Create geographic base layers for urban planning, referencing the MRC Portneuf and MRC de La Jacques-Cartier coverage.
• Train computer vision models for object detection using the detailed natural color image type.

Strengths

• High 20 cm spatial resolution for detailed ground observation.
• Imagery captured in spring 2023, providing recent seasonal conditions.
• Available under an open Creative Commons 4.0 license for free use.
• Covers a defined administrative territory: MRC Portneuf and part of MRC de La Jacques-Cartier.

Limitations

• Sample data and specific file sizes are unavailable for preview.
• Coverage is limited to a portion of Québec, not a national or broader regional scope.
• Metadata was auto-translated, which may introduce inaccuracies in descriptions.

Provenance

Source

Government and Municipalities of Québec

Collection Method

Assembly of orthophotographs produced in spring 2023, positioned geographically with relief correction.

Time Range

Spring 2023

Freshness

null

Geography

National Capital Region of Québec, covering MRC Portneuf and part of MRC de La Jacques-Cartier